Twin Peaks Collection among selections to be offered during Summer FUN auctions

Heritage Auctions' sale includes Colorado pioneer gold coins
By , Coin World
Published : 06/15/15
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The Twin Peaks Collection to be offered in July by Heritage Auctions includes gold coins struck by the private Colorado minting firm of Clark, Gruber & Co., the forerunner of the Denver Mint.

The collection is included in the 3,276 lots to be offered by Heritage July 9 to 13 in Orlando, Fla., in conjunction with the Summer Florida United Numismatists Convention.

Among the Twin Peaks coins to be offered are an 1860 Clark, Gruber and Co. $5 half eagle, Kagin 2, graded Mint State 61 by Numismatic Guaranty Corp., and an 1860 Clark, Gruber & Co. $10 eagle, K-3, graded NGC About Uncirculated 58. The Kagin numbers are variety attributions, cataloged by Donald H. Kagin in his reference Private Gold Coins and Patterns of the United States.

The Twin Peaks Collection also includes an 1861 Clark, Gruber & Co. $2.50 quarter eagle, K-5, graded NGC MS-61, and an 1861 Clark, Gruber & Co. eagle, K-7, graded NGC AU-58.

Clark, Gruber & Co.

Clark, Gruber & Co., a private minter and assayer headquartered in Denver, only struck gold coins in 1860 and 1861. 

The gold coins were struck from Colorado-mined gold.

The U.S. Mint purchased the Clark, Gruber & Co. building in Denver and established a federal Mint there in 1863.

According to the U.S. Mint’s website: “For its first 46 years, the United States Mint at Denver was only an assay office in the Clark, Gruber and Company Bank Building. Miners brought in gold dust and nuggets to be melted, assayed and cast into bars stamped with their weight and quality. By 1895, the Assay Office was booming, bringing in more than $5.6 million in gold and silver deposits annually.

“In 1904, the government decided to convert the Assay Office into a working mint, and built a much grander facility, an Italian Renaissance style building modeled after a Florentine palace. In 1906, its first year in operation, the new Mint produced 167,371,035 gold and silver coins, valued at $27 million.

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